Research and measurements in flue gas treatment

Emission studies and technical articles on flue gas treatment, odours, acoustics and installation requirements, with accessible sources and an author byline.

Technology and flue gas treatment · 22 October 2026

Water-based soot scrubbers: questions and answers with ETC Group's measured data

How a soot scrubber works, how much it removes, what it consumes and where it is installed: technical answers with the figures from IMQ certificate 297 and test reports 14LA11644 and 14LA11645.

Artur Cokaj

Technology and flue gas treatment · 22 October 2026

Smoke and grease scrubber for charcoal grills and steak houses: NEWSCRUB AH — ROASTER

Five water-based scrubbers for charcoal grills, steak houses and rotisseries, from 2,500 to 14,000 m³/h: model data, standard equipment, IMQ certificate 297 and test reports.

Artur Cokaj

Technology and flue gas treatment · 22 October 2026

Soot scrubber for wood-fired ovens, biomass boilers and pellet stoves: NEWSCRUB AH — BIOMASS

Four water-based scrubbers from 250 to 650 m³/h for pizzerias, bread ovens, biomass boilers and pellet stoves, with model data and the numbers of IMQ certificate 297 and the test reports.

Artur Cokaj

Technology and flue gas treatment · 21 October 2026

Water-based soot scrubbers: how they work and what they treat

How water scrubbing separates particulate matter from flue gas, which conditions determine the result, and how to identify the NEWSCRUB AH family from ETC Group S.r.l.

Artur Cokaj

Soot scrubbers · 21 October 2026

Sizing a soot scrubber for a wood-fired oven or charcoal grill

Flow rate, temperature, fuel and flue gas route: the information to collect before choosing a scrubber for pizzerias and kitchens with grills.

Artur Cokaj

Soot scrubbers · 21 October 2026

Soot scrubber maintenance: tank, nozzles and pump

Planning checks for a wet scrubber serving a wood-fired oven or grill: the scrubbing circuit, deposits, nozzles and maintenance records.

Artur Cokaj

Technology and flue gas treatment · 21 October 2026

Soot, white smoke and odours: how treatment differs

Plume colour does not measure a scrubber's efficiency. Distinguishing particles, condensation and gaseous compounds when assessing flue gas treatment.

Artur Cokaj

Technical documentation and compliance · 21 October 2026

Soot scrubber: CE marking, IMQ certificate 297 and test reports

CE marking, type-examination certificate IMQ 297 and test reports 14LA11644 and 14LA11645: what each ETC scrubber document states and what remains to be checked on the installation.

Artur Cokaj

Products and applications · 21 October 2026

NEWSCRUB AH200 — BIOMASS: a compact water-based soot scrubber

Assessing NEWSCRUB AH200 — BIOMASS within the installation design: model documents, flow rate, chimney, water and maintenance.

Artur Cokaj

Regulations · 19 October 2026

Stoves, fireplaces and fines of up to €5,000: what actually changes in Lombardy from 2026

From 15 October 2026, Lombardy's requirements concern biomass heating installations above 35 kW. How they differ from existing rules for stoves and fireplaces, and the scope of the regional penalty.

Artur Cokaj

Design and verification · 16 October 2026

Smoke escaping the hood: why capture must be checked before treatment

Air cleaner performance concerns the stream passing through it. Distinguishing capture, separation and air control in a professional kitchen.

Artur Cokaj

Operation and maintenance · 16 October 2026

Electrostatic filters: from cell cleaning to checks before returning to service

Cell cleaning, operating conditions and functional checks: what to record when verifying electrostatic filter maintenance.

Artur Cokaj

Operation and maintenance · 16 October 2026

Activated carbon in extraction systems: when to replace it and why humidity matters

Activated carbon service life depends on contaminant loading and operating conditions. Distinguishing saturation, fouling and airflow abnormalities to establish verifiable maintenance.

Artur Cokaj

Operation and maintenance · 16 October 2026

Soot scrubber consumption: water, recirculation and energy

Nozzle flow rate and water consumption are different quantities. Balances, checks and maintenance explain how to assess continuous flue gas scrubbing.

Artur Cokaj

Efficiency and compliance · 16 October 2026

Motors and fans for fume extraction: European requirements, consumption and pre-purchase checks

IE classes, new European fan rules and installation performance: which documents and data are needed when selecting fume and odour extraction.

Artur Cokaj

Acoustics and liability · 16 October 2026

Noise from extraction fans and hoods: limits, liability and cases before the Court of Cassation

Extraction, vibration and nearby homes: how noise is assessed, which consequences are documented and why catalogue decibels are not enough.

Artur Cokaj

Odours and liability · 16 October 2026

Professional kitchen odours entering homes: liability, evidence and air treatment

Two Court of Cassation cases involving a pizzeria and restaurant explain why authorisations, filters and dust tests do not complete an odour nuisance assessment.

Artur Cokaj

Installations and liability · 16 October 2026

Professional kitchen fumes: documents and checks to complete before opening

Emission authorisation exemptions, design and declarations of conformity: what to check before opening and what a Court of Cassation case teaches.

Artur Cokaj

Technical insights · 16 October 2026

Particulate dynamics and flue gas thermodynamics: what governs wet scrubbing

The physics of water-based scrubbers: flue gas cooling, droplet size, particle capture, liquid separation and material selection.

Artur Cokaj

Research · 6 October 2026

Removal efficiency for dust and organic compounds in flue-gas treatment: evidence from instrumental stack tests

Analysis of stack test reports on three treatment configurations (water scrubber only, filtration, filtration with electrostatic filter): UNI methods, percentage reduction in concentration and mass flow, limitations and regulatory framework.

Artur Cokaj